YV2172B/YB2173B Digital AC Millivolt MeterDetailed product description：

YV2172B/YB2173B Digital AC Millivolt Meter

Functional Features
Equipped with over range automatic flashing function;
Dual channel, with synchronous/asynchronous operation (YB2173B);
Each channel displays 4 digits, with high measurement accuracy and good frequency characteristics;
Ultra wide AC voltage measurement range, 30mV-300V;
High resolution, up to 1mV;
Adopting advanced digital switches instead of traditional attenuation switches, making it lightweight, durable, and free from displacement and slipping concerns;
Using light-emitting diodes to indicate range and status;
High impedance, low noise, linear sign;
Equipped with common ground/floating function to ensure safe and accurate measurement at different voltage reference points (YB2173B).

Project/Model		YB2172B	YB2173ceB
	Measure voltage range	30μV～300V
	Frequency range for measuring voltage	10Hz～2MHz
	resolution	1μV
	Voltage range	6-speed 3mV-300V
	Voltage error	± 0.5 ± 2 words (based on 1kHz)
	Input voltage DC+ACp-p	300V 3mV~300mV range
		500V 3mV~300mV range
	input impedance	≥10MΩ
	input capacitance	≤35pF
	input voltage	1Vrms±10%
	Output voltage frequency response	10Hz~200kHz ≤± 3% (based on 1kHz, no load)
	power supply voltage	AC 220V±10%； 50Hz±4%
physics characteristic	Overall dimensions	225W×105H×285D（mm）
	quality	About 2.5kg	About 3kg

YV2172B/YB2173B Digital AC Millivolt Meter